| Issuer | Date | Desc | State | ||
| - | |
Angola | 4/6/1993 | sheet of 1 type | |
| - | |
Angola | 5/31/1993 | Africa Day 1993, sheet of 1 type | |
| - | |
Angola | 7/9/1993 | sheet of 4 types | all added |
| - | |
Angola | 7/30/1993 | Union of Capital Cities of Portuguese Language, empty sheet (#21193) | incomplete |